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Finding the Fourth Proportional to 116,277.60, 174,027.60 and 81,285.60

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Solution

The fourth proportional to 116,277.60, 174,027.60 and 81,285.60 is: 121,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,277.60 : 174,027.60 = 81,285.60 : x
  2. Step 2: Convert to fraction form
    116,277.60/174,027.60 = 81,285.60/x
  3. Step 3: Cross multiply
    116,277.60x = 174,027.60 × 81,285.60
  4. Step 4: Simplify right side
    116,277.60x = 14,145,937,882.56
  5. Step 5: Solve for x
    x = 14,145,937,882.56/116,277.60
  6. Step 6: Final answer
    x = 121,656.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.